Copper has 29 electrons, and its electron configuration is:
1s2 2s2 2p6 3s2 3p6 3d10 4s1.
Therefore, copper has 1 valence electron.
Hope this helps~
<span>0.967 x 10^-6 HZ
This should be correct (:</span>
The distance from the nucleus at which the electron is most likely to be found
A compound is a substance that can be separated into simpler substances only by chemical means.
